<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>01_BOM操作</title>
</head>
<body>
    <button onclick="alert('警告框提示')">弹出警告框</button>
    <button onclick="confirm('确认框提示')">弹出确认框</button>
</body>
</html>